Monoprice 108594 Mini Rechargeable Portable Speaker for Cellphones - Retail Packaging Share your mobile music or videos and get great quality stereo sound in the palm of your hand with These Mini Rechargeable Portable Speakers from Monoprice! These small speakers are a perfect match for your portable music player phone or tablet and produce a big sound that belies their small size They are perfect for use in an office attached to a laptop for a presentation or plug them into your phone for a louder and clearer speaker phone during conference calls